CY7B991-7JI Cypress Semiconductor Corp, CY7B991-7JI Datasheet - Page 8

• Manufacturer Part Number: CY7B991-7JI
• Description: IC CLK BUFF SKEW 8OUT 32PLCC
• Manufacturer: Cypress Semiconductor Corp
• Type: Fanout Distribution, Zero Delay Bufferr

Specifications of CY7B991-7JI

• Pll: Yes
• Input: TTL
• Output: TTL
• Number Of Circuits: 1
• Ratio - Input:output: 1:4
• Differential - Input:output: No/No
• Frequency - Max: 80MHz
• Divider/multiplier: Yes/Yes
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-PLCC
• Frequency-max: 80MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Capacitance
CMOS output buffer current and power dissipation specified at 50 MHz reference frequency.
Document Number: 38-07138 Rev. *E
C
IN
Parameter
CMOS AC Test Load (CY7B992)
TTL AC Test Load (CY7B991)
C
C
L
L
Input Capacitance
V
CC
5V
R1
R2
R1
R2
Description
R1=130
R2=91
C
(Includes fixture and probe capacitance)
R1=100
R2=100
C
(Includes fixture and probe capacitance)
L
L
= 50 pF (C
= 50 pF (C
Figure 3. AC Test Loads and Waveforms
L
L
=30 pF for –2 and –5 devices)
=30 pF for –2 and –5 devices)
T
A
= 25
°
C, f = 1 MHz, V
Test Conditions
CC
= 5.0V
V
th
V
CMOS Input Test Waveform (CY7B992)
th
= V
TTL Input Test Waveform (CY7B991)
=1.5V
0.0V
0.0V
≤3ns
≤1ns
CC
0.8V
20%
2.0V
80%
/2
3.0V
V
Max
CC
10
2.0V
80%
V
V
0.8V
≤3ns
≤1ns
20%
th
th
=1.5V
= V
CY7B991
CY7B992
Unit
pF
CC
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